Sigma 24-105 f/4 DG OS Outed?

By Canon Rumors | October 13, 2013

Sigma 24-105 f/4 DG OSWe have received an image possibly showing a Sigma 24-105 f/4 DG OS lens. As with any image from an unknown source, there’s always a possibility it’s a fake, although those are becoming more and more rare.